What is Bor Nodes?

Bor Nodes facilitate block production on sidechains while simultaneously maintaining connection to the Ethereum Virtual Machine (EVM). Bor Nodes are also periodically shuffled via committee selection using Heimdall Nodes (a large group of Ethereum validator nodes) in segments known as spans. Spans are specifically defined sets of blocks that have been chosen as a validator out of many potential validators. Each validator in a specific span contains voting power. The strength of that power determines block producer selection, with the more powerful spans having a higher probability of being chosen.